Bag



FIG. 1 is a perspective view of a bag;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof, with the shoulder strap shown removed for ease of illustration;

FIG. 4 is an end view thereof, with the shoulder strap shown removed for ease of illustration;

FIG. 5 is a top view thereof with the shoulder strap shown removed for ease of illustration; and,

FIG. 6 is a bottom view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a “bag,” as shown and described. 